807307580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{1811}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 1753436160

約数和(自身を除く): 946128580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 719, 1438, 1811, 2876, 3595, 3622, 7190, 7244, 9055, 14380, 18110, 22289, 36220, 44578, 56141, 89156, 111445, 112282, 222890, 224564, 280705, 445780, 561410, 1122820, 1302109, 2604218, 5208436, 6510545, 13021090, 26042180, 40365379, 80730758, 161461516, 201826895, 403653790, 807307580]

約数ペア:

[(1, 807307580), (2, 403653790), (4, 201826895), (5, 161461516), (10, 80730758), (20, 40365379), (31, 26042180), (62, 13021090), (124, 6510545), (155, 5208436), (310, 2604218), (620, 1302109), (719, 1122820), (1438, 561410), (1811, 445780), (2876, 280705), (3595, 224564), (3622, 222890), (7190, 112282), (7244, 111445), (9055, 89156), (14380, 56141), (18110, 44578), (22289, 36220)]